Apparatus for the direct reduction of sulphurous iron ores

Details Apparatus for the direct reduction of sulphurous iron ores Apparatus for the direct reduction of sulphurous iron ores

1987-12-30

1988-12-13

Andrews, Melvyn J.

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

By means recycling exhaust gas

266175, F27B 120

Patent

active

047905174

ABSTRACT:
An apparatus for the direct reduction of sulphurous iron ores with a shaft furnace, in which the ore is reduced in counterflow to the reducing gas is described, the waste gas being subdivided into two streams folllowing the furnace. One stream heats and desulphurizes the ore located above the shaft furnace in an ore bunker and is then supplied to the gas converter for heating purposes. The other stream, together with hydrocarbons, is supplied to a catalytic gas converter for producing reducing gas. The ore bunker is positioned above the shaft furnace and the ore outlet of the ore bunker is connected via downcomers with the ore inlet of the shaft furnace.

REFERENCES:
patent: 4376648 (1983-03-01), Ohtawa et al.

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